package xyz.masaikk.jl.h114;


import java.util.List;

// This is the interface that allows for creating nested lists.
  // You should not implement it, or speculate about its implementation
  public interface NestedInteger {

      // @return true if this NestedInteger holds a single integer, rather than a nested list.
      public boolean isInteger();

      // @return the single integer that this NestedInteger holds, if it holds a single integer
      // Return null if this NestedInteger holds a nested list
      public Integer getInteger();

      // @return the nested list that this NestedInteger holds, if it holds a nested list
      // Return null if this NestedInteger holds a single integer
      public List<NestedInteger> getList();
  }
